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Psychotic Disorders
DSM-IV-TR Criteria
14
Psychology
Graduate
10/16/2007

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Term
Schizophrenia
Definition

A) Characteristic synptoms: Tow or more of the following, each present for a significant portion of time during a 1-month period (or less if successfull treated):

1 - delusions
2 - hallucinations
3 - disorganized speech (frequent derailment or incohrence)
4 - grossly disorganized or catatonic behavior
5 - negative symptoms, i.e., affective flattening, alogia, or avolition

Note: Only one Criterion A symptom is required if delusions are bizarre or hallucinations consist of a voice keeping up a running commentary on the person's behavior or thoughts, or two or more voices conversing with each other.

B) Social/ occupational dysfunction: For a significant portion of the time since the onset of the disturbance, one or more majore areas of functioning such as work, interpersonal relations, or self-care are markedly below the level achieved prior to the onset (or when the onset is in childhood or adolescence, failure to achieve expected level of interpersonal, academic, or occupational achievement).

C) Duration: Continuous signs of the disturbance persist for at least 6 months.  This 6-month period must include at least 1 month of symptoms (or less if successfully treated that meet Criterion A (active-phase symptoms) and may include periods of prodromal or residual symptoms.  During these prodromal or residual periods, the signs of the disurbance may be manifestedby only negative syptoms or two or more symptoms listed in Criterion A present in an attenuated form (odd beliefs, unusual perceptual experiences).

D) Schizoaffective and Mood Disorder exclusion: Schizoaffective Disorder and Mood DIsorder With Psychotic Features have been ruled out because either (1) no Major Depressive, Manic, or Mixed Episodes have occurred concurrently with the active-phase symptoms; or (2) if mood episodes have occurred during active-phase symptoms, their total duration has been brief relative to the duration of the active and residual periods.

E) Substance / general medical condition exclusion: The disturbance is not due to the direct physiological effects of a substance (a drug of abuse, a medication) or a general medical condition.

F) Relationship to a Pervasive Developmental Disorder: If there is a history of Autistic Disorder or another Pervasive Developmental Disorder, the additional diagnosis of Schizophrenia is made only if prominent delusions or hallucinations are also present for at least a month (or less if successfully treated).

Classification of longitudinal course (can be applied only after at least 1 year has elapsed since the initial onset of active-phase symptoms):

Episodic With Intereisode Reidual Symptoms (episodes are defined by the reemergence of prominent psychotic symptoms); also specify if: With Prominent Negative Symptoms

Episodic With No Interepisode Residual SYmptoms

Continuous (prominent psychotic symptoms are present throughout the period of observation); also specify if: With Prominent Negative Symptoms

Single Episode in Partial Remission; also specify if: With Prominent Negative Symptoms

Single Episode In Full Remission

Other or Unspecified Pattern 

Term
Paranoid Type
Definition

A type of Schizophrenia in which the following criteria are met:

A) Preoccupation with one or more delusions or frequent auditory hallucinations.

B) None of the following is prominent: disorganized speech, disorganized or catatonic behavior, or flat or inappropriate affect. 

Term
Disorganized Type
Definition

A type of Schizophrenia in which the following criteria are met:

A) All of the following are prominent:

1 - disorganized speech
2 - disorganized behavior
3 - flat or inappropriate affect

B) The criteria are not met for Catatonic Type 

Term
Catatonic Type
Definition

A type of Schizophrenia in which the clinical picture is dominated by at least two of the following:

1 - motoric immobility as evidenced by catalepsy (including waxy flexibility) or stupor

2 - excessive motor activity (that is apparently purposeless and not influenced by external stimuli)

3 - extreme negativism (an apparently motiveless resistance to all instructions or maintenance of a rigid posture against attempts to be moved) or mutism

4 - peculiarities of voluntary movement as evidenced by posturing (voluntary assumption of inappropriate or bizarre postures), stereotyped movements, prominent mannerisms, or prominent grimacing

5 - echolalia or echopraxia 

Term
Undifferentiated Type
Definition
A type of Schizophrenia in which symptoms that meet Criterion A are present, but the criteria are not met for the Paranoid, Disorganized, or Catatonic Type.
Term
Residual Type
Definition

A type of Schizophrenia in which the following criteria are met:

A) Absence of prominent delusions, hallucinations, disorganized speech, and grossly disorganized or catatonic behavior.

B) There is continuing evidence of the disturbance, as indicated by the presence of negative symptoms or two or more symptoms listed in Criterion A for Schizophrenia, present in an attenuated form (odd beliefs, unusual perceptual experiences). 

Term
Schizophreniform Disorder
Definition

A) Criteria A, D, and E of Schizophrenia are met.

B) An episode of the disorder (including prodromal, active, and residual phases) lasts at least 1 month but less than 6 months.  (When the diagnosis must be made without waiting for recovery, it should be qualified as "Provisional.")

Specify if:

Without Good Prognostic Features
With Good Prognostic Features: as evidenced by two or more of the following:

1 - onset of prominent psychotic symptoms within 4 weeks of the first noticeable change in usual behavior or functioning
2 - confusion or perpleity at the height of the psychotic episode
3 - good premorbid social and occupational functioning
4 - absence of blunted or flat affect

Term
Schizoaffective Disorder
Definition

A) An uninterrupted period of illness during which, at some time, there is either a Major Depressive Episode, a Manic Episode, or a Mixed Episode concurrent with symptoms that meet Criterion A for Schizophrenia.

Note: The Major Depressive Episode must include Criterion A1: depressed mood.

B) During the same period of illness, there have been selusions or hallucinations for at least 2 weeks in the absence of prominent mood symptoms.

C) Symptoms that meet criteria for a mood episode are present for a substantial portion of the total duration of the active and residual periods of the illness.

D) The disturbance is not due to the direct physiological effects of a substance (a drug of abuse, a medication) or a general medical condition.

Specify type:

Bipolar Type: if the disturbance includes a Manic or a Mixed Episode (or a Manic or a Mixed Episode and Major Depressive Episodes)

Depressive Type: if the disturbance only includes Major Depressive Episodes 

Term
Delusional Disorder
Definition

A) Nonbizarre delusions (involving situation sthat occur in real life, such as being followed, poisoned, infected, loved at a distance, or deceived by spouse or lover, or having a disease) of at least 1 month's duration.

B) Criterion A for Schizophrenia has never been met.  Note: Tactile and olfactory hallucinations may be present in Delusional Disorder if they are related to the delusional theme.

C) Apart from the impart of the delusion(s) or its ramifications, functioning is not markedly impaired and behavior is not obviously odd or bizarre.

D) If mood episodes have occurred concurrently with delusions, their total duration has been brief relative to the duration of the delusional periods.

E) The disturbance is not due to the direct physiological effects of a substance or a general medical condition.

Specify type (the following types are assigned based on the predominant delusional theme):

Erotomanic Type: delusions that another person, usually of higher status, is in love with the individual

Grandiose Type: delusions of inflated worth, power, knowledge, identity, or special relationship to a deity or famous person

Jealous Type: delusions that the individual's sexual partner is unfaithful

Persecutory Type: delusions that the person (or someone to whom the person is close) is being malevolently treated in some way

Somatic Type: delusions that the person has some physical defect or general medical condition

Mixed Type: delusions characteristic of more than one of the above types but no one theme predominates

Unspecified Type 

Term
Brief Psychotic Disorder
Definition

A) Presence of one (or more) of the following symptoms:

1 - delusions
2 - hallucinations
3 - disorganized speech (frequent derailment or incoherence)
4 - grossly disorganized or catatonic behavior

Note: Do not include a symptom if is a culturally sanctioned response pattern.

B) Durationof an episode of the disturbance is at least 1 day but is less than 1 month, with eventual full return to premorbid level of functioning.

C) The disturbance is not better accounted for by a Mood Disorder With Psychotic Features, chizoaffective Disorder, of Schizophrenia and is not due to the directly physiological effects of a substance or a general medical condition.

Specify if:

With Marked Stressor(s) (brief reactive psychosis): if symptoms occur shortly after and apparently in response to events that, singly or together, would be markedly stressful to almost anyone in similar circumstances in the person's culture

Without Marked Stressor(s): if psychotic symptoms do not occur shortly after, or are not apparently in response to events that, singly or together, would be markedly stressful to almost anyone in similar circumstances in the person's culture

With Postpartum Onset: if onset within 4 weeks postpartum 

Term
Shared Psychotic Disorder
Definition

A) A delusion develops in an individual in the context of a close relationship with another person(s), who has an already-established delusion.

B) The delusion is similar in content to that of the person who already has the established delusion.

C) The disturbance is not better accounted for by another Psychotic Disorder (Schizophrenia) or a Mood Disorder With Psychotic Features and is not due to the direct physiological effects of a substance or a general medical condition.

Term
Psychotic Disorder Due to [General Medical Condition]
Definition

A) Prominent hallucinations or delusions

B) There is evidence from the history, physical examination, or laboratory findings that the disturbance is the direct physiological consequence of a general medical condition.

C) The disturbance is not better accounted for by another mental disorder.

D) The disturbance does not occur exclusively during the course of a delirium.

Code based on predominant symptoms:

.81 With Delusions: if delusions are the predominant symptom
.82 With Hallcinations: if hallucinations are the predominant symptom

 

Term
Substance-Induced Psychotic Disorder
Definition

A) Prominent hallucinations or delusions. Note: Do not include hallucinations if the person has insight that they are substance induced.

B) There is evidence from the history, physical examiation, or laboratory findings of either (1) or (2)

1 - the symptoms in Criterion A developed during, or within a month of, Substance Intoxication or Withdrawal
2 - medication use is etiologically related to the disturbance

C)  The disturbance is not better accounted for by a Psychotic Disorder that is not substance induced.  Evidence that the symptoms are better accounted for by a Psychotic DIsorder that is not substance induced might include the following: the symptoms precede the onset of the substance use (or medication use); the symptoms persist for a substantial period of time (about a month) after the cessation of acute withdrawal or severe intoxication, or are substantially in excess of what would be expected given the type or amount of the substance used or the duration of use; or there is other evidence that suggests the existence of an independent non-substance-induced Psychotic Disorder (a history or recurrent non-substance-related episodes).

D) The disturbance does not occur exclusively during the course of a delirium.

Note: This diagnosis should be made instead of a diagnosis of Substance Intoxication or Substance Withdrawal only when the symptoms are in excess of those usually associated with the intoxication or withdrawal syndrome and when the symptoms are sufficiently severe to warrant independent clinical attention.

Code the substance

Specify if:

With Onset During Intoxication: if criteria are met for Intoxication with the substance and the symptoms develop during the intoxication syndrome

With Onset During Withdrawal if criteria are met for Withdrawal from the substance and the symptoms develop during, or shortly after, a withdrawal syndrome 

Term
Psychotic Disorder NOS
Definition

Includes symptomatology (delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behavior) about which there is inadequate information to make a specific diagnosis or about which there is contradictory information, or disorders with psychotic symptoms that do not meet the criteria for any specific Psychotic Disorder.

Examples include:

1 - Postpartum psychosis that does not meet criteria for Mood Disorder With Psychotic Features, Brief Psychotic Disorder, Psychotic Due to a General Medical COndition, or Substance-Induced Psychotic Disorder

2 - Psychotic symptoms that have lasted for less than 1 month but that have not yet remitted, so that the criteria for Brief Psychotic Disorder are not met

3 - Persistent auditory hallucinations in the absence of any other features 

4 - Persistent nonbizarre delusions with periods of overlapping mood episodes that have been present for a substantial portion of the delusional disturbance

5 - Situations in which the clinician has concluded that a Psychotic Disorder is present, but is unable to determine whether it is primary, due to a general medical condition, or substance induced 

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